Support
Knowledge base
Everything we have written to help you, in one place: how each app works, step-by-step tutorials, and the calculations behind the numbers. Search all of it at once, or open a collection.
Help topics
What each app does and how to use it: getting started, tools, keys and reference, and the basics every app shares. The same help is built into each app (press F1).
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2D drafting & 3D modeling
CadCraft help
84 topics
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BIM review & editing
BimCraft help
141 topics
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3D modeling for design
ModelCraft help
78 topics
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Drawing review & markup
MarkupCraft help
49 topics
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Quantity takeoff & estimating
TakeoffCraft help
56 topics
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Civil & site design
CivilCraft help
93 topics
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Steel & rebar detailing
DetailCraft help
56 topics
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Parametric parts & assemblies
PartCraft help
101 topics
Tutorials
Walkthroughs from the team for real jobs, written step by step.
Nothing here yet.
Accuracy
The calculations in our apps: the policy each one is under, the precision it runs at, and the code itself.
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Calculation policy
Unit conversion
Converts lengths, areas, volumes, angles and slopes between 57 units.
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Calculation policy
Surface triangulation
Builds a triangulated surface from survey points and breaklines, then its elevations, contours and slopes.
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Calculation policy
3D frame analysis
Member forces, reactions and deflections of a 3D frame by the direct stiffness method.
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Calculation policy
Takeoff lengths and areas
Lengths, perimeters and areas of measured runs and outlines, with arcs and cut-outs.
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Calculation policy
Calc sheets
Unit-aware formulas saved with the file: spans, loads, moments, pass or fail checks.
Still stuck
Read the answers
Short answers to the questions we hear most. Questions and answers
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Tell us what you tried and what you saw. Contact support
Ask for a topic
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